Alpine climbing in the context of Traditional climbing

Ice climbing is a climbing discipline that involves ascending routes consisting entirely of frozen water. To ascend, the ice climber uses specialist equipment, particularly double ice axes (or the more modern ice tools) and rigid crampons. To protect the route, the ice climber uses steel ice screws that require skill to employ safely and rely on the ice holding firm in any fall. Ice climbing routes can vary significantly by type, and include seasonally frozen waterfalls, high permanently frozen alpine couloirs, and large hanging icicles.

Ice climbing originated as a subdiscipline of alpine climbing, where sections of scalable ice are encountered alongside segments instead necessitating rock or mixed climbing. Ice climbing arose as an independent sport in the 1970s. Modern ice climbing includes a difficulty grading system peaking at WI6 to WI7, as ice tends to hang vertically at its most severe. WI7 is very rare and usually attributed to overhanging ice with serious risk issues (i.e. unstable ice, little protection, and a risk of death). Mixed climbing has pushed the technical difficulty of ice climbing routes by crossing bare rock overhangs and roofs. This can entail dry-tooling, the use of ice tools on bare rock.

A climbing route (German: Kletterrouten) is a path by which a climber reaches the top of a mountain, a rock-face, or an ice-covered obstacle. Climbing routes are recorded in a climbing guidebooks and/or in online climbing-route databases. Details recorded include the type of climbing route (e.g. bouldering route, sport climbing route, traditional climbing route, ice climbing route, or alpine climbing route, etc.), the difficulty grade of the route–and the beta for its crux(es)–including any risk or commitment-grade, the length and number of pitches of the route, and the climbing equipment (e.g. climbing protection gear) that is needed to complete the route.

Definitions have been agreed on what determines a valid ascent of a route (e.g. the redpoint in rock climbing), and on the classes or styles of ascent (e.g. onsighted, flashed). The coveted first ascent (FA), first free ascent (FFA), and first female free ascent (FFFA), are chronicled for most routes. After a route is established, variations can be created (e.g. directessimas, sit starts, or enchainments), and climbers will try to improve on the style in which the route is climbed (e.g. minimizing aid climbing or removing other supports such as oxygen or fixed ropes). Some climbers will try to reduce or limit the in-situ climbing protection (e.g. greenpointing) or will try to completely free-solo the route. Others seek to set speed climbing records on routes.

In climbing, a pitch is a section of a climbing route between two belay points (or belay stations), and is most commonly related to the task of lead climbing (going up), but is also related to abseiling (going down). Climbing on routes that require only one pitch is known as single-pitch climbing, and climbing on routes with more than one pitch is known as multi-pitch climbing (where the number is large, it can be big wall or alpine climbing).

Modern climbing ropes are typically 60–70 metres (200–230 ft) in length, which sets the theoretical maximum length of a 'pitch', however, other factors mean that the average pitch on a multi-pitch route is circa 30–40 metres (98–131 ft) in length. Advanced climbing techniques such as simul climbing can materially reduce—and even completely remove—the need for 'pitches' on a multi-pitch climbing route. The term is also used in caving.

A mountain guide is a specially trained and experienced professional mountaineer who is certified by local authorities or mountain guide associations. They are considered to be high-level experts in mountaineering, and are hired to instruct or lead individuals or small groups who require this advanced expertise. This professional class of guides arose in the middle of the 19th century when alpine climbing became recognized as a sport.

A normal route or normal way (French: voie normale; German: Normalweg) is the most frequently used climbing route for ascending and descending a given mountain peak; it is usually the easiest — although not necessarily 'easy' (see image) — and often the most straightforward route (e.g. such as the Goûter Route on Mont Blanc). Other generic names include the tourist route or trade route, and some climbing routes have specific 'normal route' names such as the "Yak Route" on Mount Everest.

In climbing and mountaineering, a traverse is a section of a climbing route where the climber moves laterally (or horizontally), as opposed to in an upward direction. The term has broad application, and its use ranges from describing a brief section of lateral movement on a pitch of a route, to large multi-pitch climbing routes that almost entirely consist of lateral movement such as girdle traverses that span the entire rock face of a crag, or mountain traverses that span entire ridges connecting chains of mountain peaks.

Long traverses in rock climbing and alpine climbing may require special climbing techniques (e.g. a pendulum or a tension traverse), and pieces of climbing equipment (e.g. ascenders) to manage the risks of the lead climber and/or the following (or 'second') climber falling far off the route. Long traverses place increased pressure on the abilities of the following climber than on a normal climb. Traversing is a regular feature in bouldering, and is also a popular rock-climbing training technique on indoor climbing walls.